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UPSC 2020 · Q92 · Geography › Economic & Mineral Geography · Save

Consider the following minerals :

  1. Bentonite
  2. Chromite
  3. Kyanite
  4. Sillimanite In India, which of the above is/are officially designated as major minerals ?
(a) 1 and 2 only
(b) 4 only
(c) 1 and 3 only
(d) 2, 3 and 4 only
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Answer: (d) 2, 3 and 4 only